import { Inject, Provide } from '@midwayjs/core';
import { Context } from '@midwayjs/koa';
import { InjectEntityModel } from "@midwayjs/typeorm";
import { Repository } from "typeorm";
import { GenTableEntity } from "@entity/tool/genTable.entity";
import { ListGenTableDTO, CreateGenTableDTO, UpdateGenTableDTO } from "@dto/tool/genTable.dto";
import { resBuild } from "@utils/resBuild";
import { checkKeyIsExist } from "@utils/serviceHelp";
import { getOperator } from "@utils";

@Provide()
export class GenTableService {
  @Inject()
  ctx: Context;

  @InjectEntityModel(GenTableEntity)
  genTableEntity: Repository<GenTableEntity>;

  // 列表
  async list(queryParams: ListGenTableDTO) {
    const queryBuilder = this.genTableEntity.createQueryBuilder('entity');
    if(queryParams.tableName) {
      queryBuilder.andWhere(`entity.tableName like "%${queryParams.tableName}%"`)
    }

    // 时间范围，包含全天
    if(queryParams["params[beginTime]"] && queryParams["params[endTime]"]) {
      queryBuilder.andWhere(`entity.createTime BETWEEN :beginTime AND :endTime`, {
        beginTime: queryParams["params[beginTime]"] + ' 00:00:00',
        endTime: queryParams["params[endTime]"] + ' 23:59:59',
      })
    }

    if(queryParams.pageNum && queryParams.pageSize) {
      queryBuilder.skip((queryParams.pageNum - 1) * queryParams.pageSize).take(queryParams.pageSize)
    }

    const [rows, total] = await queryBuilder.getManyAndCount()
    return resBuild.list(rows, total)
  }

  // 添加
  async create(genTable: CreateGenTableDTO) {
    // 新增之前先判断是否已存在
    await checkKeyIsExist(this.genTableEntity,'genTableName', genTable.tableName)
    const myEntity = this.genTableEntity.create(genTable);
    myEntity.setCreateBy(getOperator(this.ctx))
    await this.genTableEntity.save(myEntity);
    return resBuild.success()
  }

  // 删除
  async delete(tableId: string) {
    const ids = tableId.split(',').map(id => Number(id));
    await this.genTableEntity.delete(ids);
    return resBuild.success()
  }

  // 修改
  async update(genTable: UpdateGenTableDTO) {
    const myEntity = this.genTableEntity.create(genTable);
    myEntity.setUpdateBy(getOperator(this.ctx))
    await this.genTableEntity.save(genTable);
    return resBuild.success()
  }

  // 详情
  async detail(tableId: number) {
    const detailInfo = await this.genTableEntity.findOneBy({
      tableId,
    });
    return resBuild.data(detailInfo)
  }
}
